Home / 79,175.45-109,263.89-45,183.26

Finding the Fourth Proportional to 79,175.45, 109,263.89 and 45,183.26

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Solution

The fourth proportional to 79,175.45, 109,263.89 and 45,183.26 is: 62,353.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,175.45 : 109,263.89 = 45,183.26 : x
  2. Step 2: Convert to fraction form
    79,175.45/109,263.89 = 45,183.26/x
  3. Step 3: Cross multiply
    79,175.45x = 109,263.89 × 45,183.26
  4. Step 4: Simplify right side
    79,175.45x = 4,936,899,136.60
  5. Step 5: Solve for x
    x = 4,936,899,136.60/79,175.45
  6. Step 6: Final answer
    x = 62,353.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.